PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31420Bearing,sleeve

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 3120-00-293-5577 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-293-5577 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-293-5577. Primary manufacturer part number: 31420.
Features
  • Bearing,sleeve — FSC 3120
  • Flange Width: 0.0920 INCHES MINIMUM AND 0.0940 INCHES MAXIMUM IN
  • Hole Diameter: 0.3750 INCHES NOMINAL FIRST IN
  • Slot Width: 0.0312 INCHES NOMINAL FIRST IN
  • Antirotation/lubrication Type and Quantity: 2 HOLE AND 2 SLOT
  • Style Designator: SOLID, EXTERNAL FLANGE ONE END
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Surface Groove Location and Quantity: 1 EXTERNAL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-293-5577, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-293-5577
Primary Part Number31420
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusCANCELLED
Flange Width0.0920 INCHES MINIMUM AND 0.0940 INCHES MAXIMUM IN
Hole Diameter0.3750 INCHES NOMINAL FIRST IN
Slot Width0.0312 INCHES NOMINAL FIRST IN
Antirotation/lubrication Type and Quantity2 HOLE AND 2 SLOT
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Corner ShapeSQUARE INSIDE RIGHT CORNER
Surface Groove Location and Quantity1 EXTERNAL
Material Document and ClassificationAMS 4820 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Hardness Rating40.0 ROCKWELL C NOMINAL OUTER LAYER
Slot Length0.1250 INCHES NOMINAL FIRST IN
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Body Outside Diameter1.3150 INCHES MINIMUM AND 1.3160 INCHES MAXIMUM IN
Lubricant Accommodation StyleGROOVED CIRCULAR
Body Inside Diameter1.1120 INCHES MINIMUM AND 1.1160 INCHES MAXIMUM IN
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Corner ShapeCHAMFERED INSIDE LEFT CORNER
Flange Outside Diameter1.4580 INCHES MINIMUM AND 1.4780 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5920-00-280-953958002-018 INTERCHANGEABLE
Fuse,cartridge
Tdk-Lambda Americas Inc. Div High Power Division
3020-00-318-05288392329 INTERCHANGEABLE
Gear,spur
U S Army Tank Automotive Command Amsta-Im-Mm
4820-00-418-4806 INTERCHANGEABLE
Valve,angle
4130-00-542-4261 INTERCHANGEABLE
Filter Element,air Conditioning
3455-00-971-890817614 INTERCHANGEABLE
Cutter,milling,end
New York Twist Drill Inc
4810-01-204-79302613033001 INTERCHANGEABLE
Valve,solenoid
Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc
6515-01-446-9717314.20 INTERCHANGEABLE
Screwdriver,bone Screw
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5998-01-520-987331-269-2 INTERCHANGEABLE
Circuit Card Assembly
Inrange Technologies Corporation Div Atlantic Federal Region Sales
1680-01-571-011831420 INTERCHANGEABLE
Filter,adapter Ftg,
Pall Aeropower Corporation
6515-01-602-8547B12LT INTERCHANGEABLE
Trocar and Cannula,laparoscopic
Ethicon Us Llc Div Ethicon
Cross-Reference Index
Part NumberManufacturer
31420 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
31420 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5920-00-280-9539INTERCHANGEABLE
FUSE,CARTRIDGE
58002-018
3020-00-318-0528INTERCHANGEABLE
GEAR,SPUR
8392329
4820-00-418-4806INTERCHANGEABLE
VALVE,ANGLE
4130-00-542-4261INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
3455-00-971-8908INTERCHANGEABLE
CUTTER,MILLING,END
17614
4810-01-204-7930INTERCHANGEABLE
VALVE,SOLENOID
2613033001
6515-01-446-9717INTERCHANGEABLE
SCREWDRIVER,BONE SCREW
314.20
5998-01-520-9873INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
31-269-2
1680-01-571-0118INTERCHANGEABLE
FILTER,ADAPTER FTG,
31420
6515-01-602-8547INTERCHANGEABLE
TROCAR AND CANNULA,LAPAROSCOPIC
B12LT

Frequently Asked Questions

What is NSN 3120-00-293-5577?

NSN 3120-00-293-5577 is a Bearing,sleeve, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-293-5577?

NSN 3120-00-293-5577 has 2 cross-referenced part numbers: 31420 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 31420 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 3120-00-293-5577?

There are 10 known substitutes for 3120-00-293-5577: 5920-00-280-9539, 3020-00-318-0528, 4820-00-418-4806 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31420?

Key specifications for 31420: Flange Width: 0.0920 INCHES MINIMUM AND 0.0940 INCHES MAXIMUM IN; Hole Diameter: 0.3750 INCHES NOMINAL FIRST IN; Slot Width: 0.0312 INCHES NOMINAL FIRST IN; Antirotation/lubrication Type and Quantity: 2 HOLE AND 2 SLOT. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-293-5577 still in active supply?

NSN 3120-00-293-5577 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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